Interior design and architecture MCP servers connect AI agents to CAD software, BIM platforms, 3D modelers, and design tools. Instead of manually navigating complex CAD interfaces or switching between modeling applications, these servers let you create, modify, and analyze designs through natural language via the Model Context Protocol.

This review covers CAD control, BIM automation, 3D modeling, and architectural design tools — AutoCAD, FreeCAD, Blender, SketchUp, Rhino/Grasshopper, Revit, Fusion 360, and OpenSCAD. For general-purpose 3D file processing, see our 3D Printing review if available.

The headline findings: blender-mcp has grown to 21,100 GitHub stars (+3,500 since March) — still one of the most popular MCP servers in existence. April 28, 2026 was a watershed day for this category: Autodesk launched three official MCP servers, Blender Lab released the official Blender MCP connector, and SketchUp got an official Anthropic connector — all part of Anthropic’s “Claude for Creative Work” launch. The SolidWorks and Onshape gaps are now partially closed with community servers from March–April 2026. The glaring gap remains actual interior design — room layout, furniture placement, and color palette tools still don’t exist.

What’s New (March–May 2026)

April 28, 2026 — Autodesk Launches Three Official MCP Servers

The single biggest development in this category’s history. Autodesk shipped three official MCP servers as part of Anthropic’s “Claude for Creative Work” launch, directly closing the enterprise CAD gap we cited in our original review:

  • Autodesk Product Help MCP (April 9, 2026) — Read-only access to help documentation for 110+ Autodesk products: Fusion, AutoCAD, Revit, Civil 3D, and more. Free, no Autodesk license required. Claude can now look up any Autodesk product documentation directly.

  • Autodesk Fusion MCP (April 28, 2026) — Local MCP server, requires Fusion 360 running on the machine. Drives modeling operations and executes Fusion commands via AI. Compatible with Claude Desktop, Cursor, and any MCP HTTP client. Technical foundation was Joe-Spencer/fusion-mcp-server (an Autodesk employee’s personal project). Autodesk plans additional servers for Revit and more products.

  • Autodesk Fusion Data MCP (April 28, 2026) — Remote MCP server, no local Fusion required. Queries and manages Fusion design data via Autodesk Platform Services (APS) cloud. Compatible with Claude Desktop and VS Code. Enables connecting Fusion to internal systems and automating multi-step engineering workflows without the desktop app running.

Significance: Our original review cited “no official vendor servers from Autodesk, Dassault, Siemens, or PTC” as the category’s biggest enterprise gap. With Fusion MCP + Fusion Data MCP, Autodesk becomes the first major mechanical CAD vendor with production official MCP servers.

April 28, 2026 — Official Blender MCP by Blender Lab

Blender Lab (the Blender Foundation’s experimental features program) released the Official Blender MCP server on April 28, 2026. This is the officially Blender Foundation-endorsed MCP bridge — not a community fork. Key points:

  • Built on the open MCP standard — works with Claude and other MCP-capable LLMs, not just Anthropic products
  • Provides a direct bridge to Blender’s full Python API
  • Anthropic joined the Blender Development Fund as Corporate Patron at €240,000/year (alongside Netflix, Epic Games, Wacom)
  • Long-term, the official server is the supported path; the community ahujasid/blender-mcp remains more widely installed for now

ahujasid/blender-mcp has surged to 21,100 stars (+3,500 from March, +20% growth) despite — or perhaps because of — the official release announcement.

April 28, 2026 — SketchUp Official Connector

Anthropic’s “Claude for Creative Work” launch on April 28 included an official SketchUp connector — 3D architectural modeling driven directly from conversation. This is in addition to the community mhyrr/sketchup-mcp that has existed since early 2026. The official connector provides zero-setup access for SketchUp users on Claude Free, Pro, and Team plans.

March–April 2026 — SolidWorks and Onshape Gaps Partially Closed

Two major gaps cited in our original review now have community solutions:

SolidWorks MCP Servers (both emerged March 2026):

Onshape MCP Servers (April 2026):

  • jarvis-onshape-mcp — ~60 tools: sketches, extrudes, fillets, mates, parametric variables, custom FeatureScript. Released April 13, 2026. Leverages Onshape’s API-first cloud architecture.
  • hedless/onshape-mcp — Programmatic CAD modeling with document discovery.

Note: These are early-stage community servers, not official vendor releases. But they represent the first MCP coverage for two of the world’s most widely used mechanical CAD platforms.

rhinomcp Star Growth

jingcheng-chen/rhinomcp has grown to 346 stars (was 274 in March, +26%). Still the leading Rhino MCP server with 55 forks and active community use.



Blender

Server Stars Language License Tools
blender-mcp 21,100+ Python 18+

The dominant Blender-to-AI bridge with massive community adoption (17,600 → 21,100 stars since March 2026, +20%):

  • Two-way communication — connects Claude AI to Blender through a socket-based server
  • Object manipulation — create, modify, and delete 3D objects with natural language
  • Material control — apply and modify materials and colors
  • Scene inspection — get detailed information about the current Blender scene
  • Geometry nodes — status query, node info retrieval, node network creation
  • Asset libraries — Polyhaven categories/search/download, Sketchfab model search/preview/download
  • AI 3D generation — Hyper3D/Hunyuan3D model generation, polling, and import
  • Viewport screenshots — capture and share what Blender is rendering
  • Code execution — run arbitrary Python code in Blender from Claude

At 17.6k stars, this is one of the most popular MCP servers across all categories, period. The breadth of integrations — from Polyhaven assets to Hyper3D generation — makes it genuinely useful for both hobbyists and professionals.

seehiong/blender-mcp-n8n — Blender via n8n Automation

Server Stars Language License Tools
blender-mcp-n8n 45+

Automates Blender 3D modeling from n8n workflows:

  • 45+ tools for modeling, materials, lighting, rendering, and animation
  • n8n integration — trigger Blender operations from automation workflows
  • Comprehensive coverage — goes beyond basic object creation into lighting and rendering

An interesting approach that connects Blender to the broader automation ecosystem rather than just direct AI chat.

Official Blender MCP — Blender Lab (NEW April 2026)

Server Stars Language License Tools
Official Blender MCP Python Multiple

The officially Blender Foundation-endorsed MCP server (April 28, 2026):

  • Blender Lab project — the Blender Foundation’s experimental features program
  • Open MCP standard — works with Claude and any other MCP-compatible LLM
  • Full Python API access — direct bridge to Blender’s complete scripting interface
  • Anthropic is Corporate Patron — Anthropic joined Blender Development Fund at €240K/year
  • Long-term supported path — vs. community ahujasid/blender-mcp (still more widely installed)

AutoCAD

puran-water/autocad-mcp — AutoLISP Execution and P&ID Symbols

Server Stars Language License Tools
autocad-mcp 159 Python 8

The most mature AutoCAD MCP server with industrial features:

  • Freehand AutoLISP execution — turns the server from a fixed command set into an extensible automation platform
  • 8 consolidated tools — drawing, undo/redo, file operations
  • P&ID symbol library — 600+ ISA 5.1-2009 standard symbols for process and instrumentation diagrams
  • Dual backends — File IPC (requires AutoCAD) or ezdxf (headless DXF generation without AutoCAD)
  • Focus-free dispatch — operates without needing AutoCAD to be the active window
  • Robust IPC — ESC prefix and UTF-8 fallback for reliable communication

The ezdxf headless backend is particularly notable — you can generate DXF files without having AutoCAD installed at all.

AnCode666/multiCAD-mcp — One Server, Four CAD Platforms

Server Stars Language License Tools
multiCAD-mcp 2 Python 46

Cross-platform CAD control via AI assistants:

  • 46 MCP tools — comprehensive drawing, layer, entity, and file management
  • Multi-platform — supports AutoCAD, ZWCAD, GstarCAD, and BricsCAD
  • Batch operations (v0.1.1+) — 60-70% fewer API calls when managing multiple items
  • Natural language — “Draw a red circle at 50,50 with radius 25” or complex instructions
  • Windows only — uses COM technology for CAD communication

The cross-platform approach is smart — supporting 4 CAD platforms through one MCP server means you’re not locked into a single vendor.

daobataotie/CAD-MCP — Natural Language CAD Control

Server Stars Language License Tools
CAD-MCP Multiple

CAD control via natural language instructions:

  • Multi-CAD support — AutoCAD, GstarCAD (GCAD), and ZWCAD
  • Natural language processing — combines NLP with CAD automation
  • Drawing operations — create and modify drawings through conversational commands

chichicaste/mcp-autocad-server — Learning-Focused AutoCAD Integration

Server Stars Language License Tools
mcp-autocad-server Multiple

Natural language interaction with AutoCAD:

  • Create, modify, and analyze drawings through LLMs like Claude
  • CAD element data storage — stores and queries element data
  • Learning reference — the author notes this is currently for learning reference, with basic communication implemented but tool functions not yet complete

FreeCAD

proximile/FreeCAD-MCP — The Most Feature-Rich CAD MCP Server

Server Stars Language License Tools
FreeCAD-MCP Python 57

A powerhouse CAD server with AI generation capabilities:

  • 57 MCP tools — the highest tool count of any CAD MCP server
  • Docker headless execution — containerized FreeCAD with optional VNC GUI access
  • Multi-AI support — works with Claude, GPT-4o, and Gemini
  • TRELLIS.2 integration — image-to-3D model generation
  • ComfyUI integration — text-to-image generation for design concepts
  • Vision AI analysis — Cosmos VLM for model analysis, SAM3 for segmentation
  • Gradio web interface — debugging UI with request tracking and image gallery
  • Cloudflare tunnels — public URL access without port forwarding
  • Dual GPU support — optimized for dual 24GB 3090 setup with automatic quantization

This goes far beyond basic CAD control — it’s essentially an AI-powered design studio with 3D generation, vision analysis, and headless rendering all in one package.

bonninr/freecad_mcp — Direct Claude-FreeCAD Connection

Server Stars Language License Tools
freecad_mcp Python Multiple

Connects FreeCAD to Claude AI through MCP:

  • Direct interaction — Claude controls FreeCAD for prompt-assisted CAD 3D design
  • MCP-ready — works with Claude and other MCP-compatible tools like Cursor

lucygoodchild/freecad-mcp-server — Cross-Platform FreeCAD Basics

Server Stars Language License Tools
freecad-mcp-server Python Multiple

Basic FreeCAD operations via MCP:

  • Geometry creation — basic 3D shapes and objects
  • Boolean operations — union, intersection, subtraction
  • Custom script execution — run FreeCAD Python scripts
  • Cross-platform — Windows, macOS, and Linux

spkane/freecad-addon-robust-mcp-server — MCP Bridge Workbench

Server Stars Language License Tools
freecad-addon-robust-mcp-server Python Multiple

FreeCAD Robust MCP Suite with dedicated workbench:

  • MCP Bridge Workbench — integrates directly into FreeCAD’s UI
  • Docker support — available as a Docker image for containerized use
  • Addon architecture — installs as a FreeCAD addon for tight integration

contextform/freecad-mcp — Open-Source Automation

Server Stars Language License Tools
freecad-mcp Multiple

Open-source MCP server for FreeCAD automation. Another option in the growing FreeCAD MCP ecosystem.


SketchUp

mhyrr/sketchup-mcp — Architectural Modeling and Woodworking

Server Stars Language License Tools
sketchup-mcp 182 Ruby/Python Multiple

SketchUp-to-AI bridge with unique woodworking tools:

  • TCP socket connection — two-way communication between Claude and SketchUp
  • Component manipulation — create, modify, delete, and transform components
  • Material control — apply and modify materials
  • Scene inspection — detailed information about the current scene
  • Selection handling — work with selected objects
  • Ruby code evaluation — execute arbitrary Ruby code directly in SketchUp
  • Woodworking joints — mortise and tenon, dovetail, finger joint (unique to this server)
  • Planned features — lap joints, miter joints, dowel joints, pocket holes, grain direction, wood species libraries

The woodworking joinery tools make this uniquely valuable for furniture design and crafting — no other CAD MCP server offers this level of woodworking-specific functionality.

BearNetwork-BRNKC/SketchUp-MCP — Traditional Chinese Localized

Server Stars Language License Tools
SketchUp-MCP Multiple

SketchUp MCP integration with Traditional Chinese localization. A community fork targeting Chinese-speaking users.


Rhino & Grasshopper

jingcheng-chen/rhinomcp — The Leading Rhino MCP Server

Server Stars Language License Tools
rhinomcp 346 Python Multiple

The most popular Rhino-to-AI bridge:

  • Object manipulation — create, modify, and delete 3D objects
  • Document inspection — detailed information about the Rhino document
  • Script execution — run Python scripts directly in Rhino
  • Object selection — filter by name, color, category with logic operators
  • Layer management — get, set, create, or delete layers
  • JSON-based TCP protocol — clean, simple communication protocol
  • Available on PyPI — easy installation via pip

At 274 stars, this leads the Rhino MCP ecosystem with a clean, well-documented implementation.

veoery/GH_mcp_server — Direct Rhino + Grasshopper Interaction

Server Stars Language License Tools
GH_mcp_server Python Multiple

LLM-to-Rhino/Grasshopper bridge for designers:

  • 3dm file analysis — analyze existing Rhino files
  • 3D modeling — direct modeling in Rhino
  • GHPython generation — automatically generate Grasshopper Python scripts based on user guidance
  • Designer-focused — built for design workflows, not just technical CAD

dongwoosuk/rhino-grasshopper-mcp — ML Auto-Layout

Server Stars Language License Tools
rhino-grasshopper-mcp Python Multiple

AI-powered Rhino/Grasshopper with machine learning layout:

  • ML-based automatic layout optimization — uses machine learning for spatial arrangement
  • Direct AI integration — brings AI capabilities into Rhino/Grasshopper workflows

alfredatnycu/grasshopper-mcp — Component Creation and Intent Recognition

Server Stars Language License Tools
grasshopper-mcp Multiple

Bridging server between Grasshopper and Claude Desktop:

  • Component creation — create and connect Grasshopper components via MCP
  • High-level intent recognition — understands design intent, not just commands
  • MCP standard — follows the protocol specification for reliable integration

reer-ide/rhino_mcp — Multi-Tool Rhino Integration

Server Stars Language License Tools
rhino_mcp Multiple

Connects Rhino, Grasshopper, and more to Claude AI:

  • Prompt-assisted 3D modeling — create and manipulate scenes through conversation
  • Multi-tool — integrates Rhino, Grasshopper, and additional tools

Revit / BIM

revit-mcp/revit-mcp — AI-Powered Building Information Modeling

Server Stars Language License Tools
revit-mcp 18 C#/Python Multiple

The only major BIM platform with MCP support:

  • CRUD operations — create, read, update, delete Revit elements through AI
  • Plugin architecture — revit-mcp-plugin receives AI commands within Revit
  • Command sets — revit-mcp-commandset wraps Revit external events as executable commands
  • Extensible — developers can add functionality to the command set or create custom work sets
  • MCP protocol clients — works with Claude, Cline, and other MCP-compatible clients

Revit is the industry standard for BIM in architecture, and having MCP support — even early-stage — opens up AI-assisted building design workflows that were previously impossible.


Fusion 360

AuraFriday/Fusion-360-MCP-Server — Thread-Safe Fusion Control

Server Stars Language License Tools
Fusion-360-MCP-Server Python Multiple

Thread-safe Fusion 360 control via MCP:

  • Thread-safe architecture — all API calls happen on main thread to prevent crashes
  • Multi-AI support — works with Claude, ChatGPT, and other MCP clients
  • Parametric modeling — leverages Fusion 360’s parametric design capabilities

mycelia1/fusion360-mcp-server — Script Generation and Execution

Server Stars Language License Tools
fusion360-mcp-server Python Multiple

Generate and execute Fusion 360 scripts via AI:

  • Script generation — AI creates Fusion 360 scripts from natural language
  • Direct execution — runs generated scripts in Fusion 360
  • Multi-client — works with Claude, Cursor, or any MCP client

Joe-Spencer/fusion-mcp-server — Technical Foundation for Autodesk’s Official Server

Server Stars Language License Tools
fusion-mcp-server Multiple

Provides Autodesk resources and tools to AI clients — and served as the technical foundation for Autodesk’s three official MCP servers launched April 28, 2026. Joe Spencer is an Autodesk employee. If you’re on Fusion 360, prefer the official Autodesk Fusion MCP and Autodesk Fusion Data MCP now that they’re available.

Autodesk Fusion MCP — Official (NEW April 2026)

Server Source Setup Stars
Autodesk Fusion MCP Official (Autodesk) Local, requires Fusion running Official

Drive Fusion 360 modeling through AI (April 28, 2026):

  • Local server — Fusion 360 must be running on the machine
  • Modeling commands — create, modify, and execute Fusion operations via natural language
  • Compatible with Claude Desktop, Cursor, any MCP HTTP client
  • Part of Anthropic’s “Claude for Creative Work” launch

Autodesk Fusion Data MCP — Official (NEW April 2026)

Server Source Setup Stars
Autodesk Fusion Data MCP Official (Autodesk) Remote, no Fusion install needed Official

Query and manage Fusion design data from the cloud (April 28, 2026):

  • Remote server — no local Fusion 360 installation required
  • Cloud data access — queries Fusion design history, assemblies, and project data via Autodesk Platform Services
  • Compatible with Claude Desktop and VS Code
  • Use cases — connect Fusion data to internal systems, automate multi-step engineering workflows

Autodesk Product Help MCP — Official (NEW April 2026)

Server Source Setup Coverage
Autodesk Product Help MCP Official (Autodesk) Hosted, free 110+ products

Access Autodesk documentation for 110+ products (April 9, 2026):

  • Read-only — search and retrieve Autodesk help docs
  • 110+ products covered — Fusion 360, AutoCAD, Revit, Civil 3D, Maya, 3ds Max, and more
  • Free, no Autodesk license required

SolidWorks (NEW)

eyfel/mcp-server-solidworks — 90+ Tool Python Server

Server Stars Language License Tools
mcp-server-solidworks Python 90+

Community SolidWorks MCP server (released March 17, 2026):

  • 90+ MCP tools — comprehensive SolidWorks automation coverage
  • Python-first implementation — standard Python toolchain
  • Natural language CAD — drive SolidWorks operations through AI assistants

vespo92/SolidworksMCP-TS — TypeScript COM Bridge

Server Stars Language License Tools
SolidworksMCP-TS TypeScript 88

Node.js/TypeScript SolidWorks MCP server with intelligent COM bridge:

  • 88 working tools — comparable coverage to the Python implementation
  • COM bridge architecture — interfaces with SolidWorks via Windows COM/API
  • TypeScript implementation — for teams preferring the Node.js ecosystem

Note: SolidWorks is the most widely used professional mechanical CAD platform. Both of these are early-stage community servers — no official SolidWorks MCP server exists. But the gap cited in our original review is now partially closed.


Onshape (NEW)

jarvis-onshape-mcp — Full Parametric Cloud CAD

Server Stars Language License Tools
jarvis-onshape-mcp ~60

Claude Opus 4.7 plugin for Onshape (April 13, 2026):

  • ~60 tools — sketches, extrudes, fillets, mates, parametric variables, custom FeatureScript
  • Onshape’s API-first design makes this the cloud CAD platform best positioned for MCP
  • Full parametric workflow — create, modify, and query Onshape designs through conversation

hedless/onshape-mcp — Document Discovery

Server Stars Language License Tools
hedless/onshape-mcp Multiple

Programmatic CAD modeling with Onshape document discovery and basic modeling operations.


OpenSCAD

quellant/openscad-mcp — Multi-Perspective Rendering

Server Stars Language License Tools
openscad-mcp Python 3

Production-ready OpenSCAD rendering via MCP:

  • Single view rendering — render individual perspectives with customizable camera
  • Multi-perspective rendering — front, back, left, right, top, bottom, isometric views
  • Animation support — turntable animations for model visualization
  • 300 tests — 80%+ code coverage, 100% integration test success
  • Base64 PNG output — renders returned as encoded images
  • Async processing — built on FastMCP for non-blocking operation

fboldo/openscad-mcp-server — STL and PNG Output

Server Stars Language License Tools
openscad-mcp-server Python Multiple

Renders PNG previews and STL geometry from OpenSCAD code. Focused on generating both visual previews and printable 3D files.


Specialized Tools

Svetlana-DAO-LLC/cad-agent — Self-Contained Rendering for 3D Printing

Server Stars Language License Tools
cad-agent Python Multiple

AI-driven CAD modeling for 3D printing:

  • build123d — uses the build123d Python library for parametric modeling
  • Self-contained rendering — the container does all rendering work
  • Visual feedback — returns images the agent can interpret
  • 3D printing focused — designed for printable model generation

Bigchx/mcp_3d_relief — Image to 3D Relief Models

Server Stars Language License Tools
mcp_3d_relief Python Multiple

Converts 2D images into 3D relief models:

  • Image-to-STL — transforms flat images into 3D relief surfaces
  • 3D printing ready — outputs STL format suitable for printing or rendering

What’s Missing

Gaps Closed Since March 2026

  • Autodesk/Fusion 360 — ✅ Three official MCP servers launched April 28, 2026
  • Blender (official) — ✅ Blender Lab official server launched April 28, 2026
  • SketchUp (official) — ✅ Official Anthropic connector launched April 28, 2026
  • SolidWorks — ✅ Partially closed — community servers eyfel/mcp-server-solidworks (90+ tools) and SolidworksMCP-TS (88 tools) emerged March 2026. No official SolidWorks server yet.
  • Onshape — ✅ Partially closed — jarvis-onshape-mcp (~60 tools, April 2026). No official Onshape server yet.

Gaps Still Open

The biggest remaining gap is interior design itself. Despite the strong CAD/3D modeling coverage, there are still no MCP servers for:

  • Room layout and space planning — no automated furniture placement, no traffic flow analysis
  • Floor plan generation — no text-to-floor-plan tools
  • Color palette and material selection — no integration with paint brands, fabric libraries, or finish catalogs
  • Furniture catalogs — no IKEA, Wayfair, Pottery Barn, or other retailer APIs
  • AR/VR visualization — no augmented reality room preview tools
  • Rendering engines — no V-Ray, Lumion, Enscape, or KeyShot MCP servers
  • Landscape architecture — no garden design, hardscape planning, or plant databases
  • Building code compliance — no zoning, ADA, or fire code checking
  • Lighting design — no illumination calculations or fixture selection
  • Acoustics — no room acoustic analysis or soundproofing recommendations
  • Structural engineering — no load calculations or structural analysis
  • Cost estimation — no material quantity takeoffs or budget planning
  • Dassault Systèmes (SOLIDWORKS, CATIA) — still no official server
  • Siemens (NX, Solid Edge) — still no official server
  • PTC (Creo) — still no official server

Bottom Line

April 28, 2026 was a watershed moment for this category. Autodesk launched three official MCP servers (Fusion MCP, Fusion Data MCP, Product Help), Blender Lab released the official Blender MCP connector, and SketchUp got an official Anthropic connector — all in a single day, all tied to Anthropic’s “Claude for Creative Work” launch. This directly addressed the “no official vendor servers” critique from our original review.

The category is now exceptional on the CAD/3D modeling side with strong official vendor backing, community star growth (blender-mcp at 21,100 stars), and newly partial coverage for SolidWorks and Onshape. Rhino/Grasshopper has 5+ active implementations. Every major 3D modeling platform now has at least one working MCP server, and the most important ones (Blender, Fusion 360) now have official servers.

But if you’re looking for AI-assisted interior design — “help me arrange furniture in my living room” or “suggest a color palette for this bedroom” — MCP servers still can’t help you. The gap between powerful CAD automation tools and accessible design decision tools remains completely unfilled. Rendering engines (V-Ray, Lumion, Enscape), building code compliance, lighting design, and furniture catalogs are all zero-coverage zones.

Rating: 4.5/5 (upgraded from 4/5) — Official vendor momentum (Autodesk, Blender Lab, SketchUp) plus SolidWorks/Onshape partial coverage pushes this above a 4. The remaining half-point reflects the complete absence of interior design workflow tools, rendering engine integration, and the major industrial CAD vendors (Dassault, Siemens, PTC) still sitting on the sidelines.

Category: Design & Creative MCP Servers

This review was last edited on 2026-05-02 using Claude Sonnet 4.6 (Anthropic).